CN111650679B - Processing technology of flexible washable reflective fabric - Google Patents
Processing technology of flexible washable reflective fabric Download PDFInfo
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- CN111650679B CN111650679B CN202010555523.8A CN202010555523A CN111650679B CN 111650679 B CN111650679 B CN 111650679B CN 202010555523 A CN202010555523 A CN 202010555523A CN 111650679 B CN111650679 B CN 111650679B
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- fabric
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0623—Sulfides, selenides or tellurides
- C23C14/0629—Sulfides, selenides or tellurides of zinc, cadmium or mercury
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
Abstract
The invention relates to the technical field of reflective cloth, in particular to a processing technology of flexible washable reflective cloth, which comprises the following steps: s1, manufacturing a bead-planted base film coiled material; adhering glass particles on the first carrier film through an adhesive layer, drying, rolling, preserving heat and preserving health; s2, carrying out vacuum evaporation on the plant bead base film coiled material; s3, manufacturing a glue layer base film; coating the prepared glue on the surface of the second carrier film, and drying; s4, compounding a glue layer base film on the surface of the fabric base material layer, and enabling a glue surface to be attached to the surface of the base material layer to obtain a first composite fabric; s5, peeling off the second carrier film on the first composite fabric; s6, compounding the bead-planting surface of the evaporated bead-planting base film on a glue layer to obtain a second composite fabric, and rolling the second composite fabric and then placing the second composite fabric into an insulation box for curing; and S7, peeling off the first carrier film on the second composite fabric to obtain the reflective fabric with strong softness, strong crease resistance and strong washing resistance.
Description
Technical Field
The invention relates to the technical field of reflective cloth, in particular to a processing technology of flexible washable reflective cloth.
Background
The reflective cloth is made of glass beads with high refractive index on the surface of a cloth base by a coating or film coating process, so that common cloth can reflect light rays under the irradiation of lamplight. The reflective fabric is mainly used for products related to road traffic safety, is widely applied to reflective clothes, various professional garments, work clothes, fashionable dress, shoes, hats, gloves, backpacks, personal protective articles, outdoor articles and the like, and can also be made into various reflective products and ornaments.
Currently, the widely used reflective cloths generally have the following problems:
1. softness is poor, and the hardness of reflection of light cloth is great, is not convenient for accomodate, and wrinkle resistance is poor moreover.
3. The water washing resistance is poor, the reflective water is easy to wrinkle after washing, and the reflective property is greatly weakened.
Disclosure of Invention
The invention aims to provide a processing technology of flexible washable reflective fabric, the reflective fabric processed by the technology has strong softness, strong crease resistance and strong washing resistance, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a processing technology of flexible washable reflective fabric comprises the following steps:
s1, manufacturing a bead-planted base film coiled material;
firstly, adhering glass particles on a first carrier film through an adhesive layer to prepare a bead-planted base film;
wherein, the first carrier film is a release film;
wherein, the glass beads have the diameter of 30-50 μm and the refractive index of 1.9-1.94;
wherein the adhesive layer is acrylic acid glue, and the thickness of the adhesive layer is 3-7 μm;
secondly, placing the bead-planted base film into a drying tunnel for drying, wherein the drying process is divided into eight stages, the drying temperature is 50-110 ℃, and the duration of each stage is 10-15 min;
thirdly, winding the dried bead-planted base film;
finally, placing the coiled bead-planted base film into an incubator for curing to obtain a bead-planted base film coiled material;
wherein the temperature for heat preservation and health preservation is 48-50 ℃, and the duration is 70-72 h;
s2, carrying out vacuum evaporation on the bead-based film coiled material;
firstly, mounting a bead-planted base film coiled material at a winding and unwinding reel in a vapor plating chamber of high vacuum coating equipment, and fixedly mounting the free end of the bead-planted base film coiled material at the other winding and unwinding reel after bypassing the lower part of a central main drum;
secondly, placing the target material in a steaming tank of a vacuum plating machine;
the target material comprises zinc sulfide;
thirdly, moving the evaporation tank assembly into an evaporation chamber of the high-vacuum coating equipment, placing the evaporation tank containing the target under the central main drum, and controlling the distance between the top surface of the target and the bottom end of the central main drum to be 12-13 cm;
again, a vacuum pump unit is usedVacuumizing the evaporation chamber to 1.5 × 10 -1 Pa～2.0×
10 0 Pa；
Finally, a power supply of a vacuum electroplating machine is switched on, the bead-planted base film coiled material is subjected to evaporation, after evaporation is finished, the power supply of the vacuum electroplating machine is closed, the air pressure in the evaporation chamber is adjusted to an air pressure value balanced with the external atmospheric pressure, the evaporation chamber is opened, and after natural cooling, the evaporation bead-planted base film is taken out; the thickness of the condensed zinc sulfide on the surface of the glass beads is uneven, namely a zinc sulfide coating film with thick middle part and thin edge is formed on the surface of the glass beads, the thickness of the zinc sulfide coating film which surrounds one circle of the surface of the glass beads along the horizontal direction is approximately equal, namely, the generated optical path difference is equal, so that the same color light can interfere in the circle, the interference light irradiates human eyes to form dazzling gloss, the thickness of a zinc sulfide evaporation coating layer is in the range of 480-520 nm, the final reflective fabric can obtain deep purple return reflected light when natural light linear light rays irradiate according to a 90-degree incident angle, the return reflected light is blue-purple when the incident angle is 80 degrees, the return reflected light is dark blue when the incident angle is 70 degrees, the return reflected light is blue when the incident angle is 60 degrees, the return reflected light is dark blue when the incident angle is 50 degrees, and the return reflected light is light is light blue when the incident angle is less than 50 degrees;
s3, manufacturing a glue layer base film;
firstly, preparing glue according to the mixture ratio of 110 parts of polyurethane glue, 8 parts of pigment, 60 parts of solvent and 10 parts of curing agent;
secondly, coating glue on the surface of the second carrier film, and drying to obtain a glue layer base film;
wherein, the second carrier film is a release film;
wherein the coating thickness of the glue is 20-25 μm;
wherein the drying process is divided into eight stages, the drying temperature is 65-125 ℃, and the duration of each stage is 20-25 min;
s4, compounding a glue layer base film on the surface of the fabric base material layer, and enabling a glue surface to be attached to the surface of the base material layer to obtain a first composite fabric;
wherein the fabric substrate layer is made of nylon cloth;
s5, stripping the second carrier film on the first composite fabric to expose the glue layer;
s6, compounding the bead-planting surface of the evaporated bead-planting base film on a glue layer to obtain a second composite fabric, and rolling the second composite fabric and then placing the second composite fabric into an insulation box for curing;
wherein the curing temperature is 58-60 ℃, and the curing duration is 70-72 h;
and S7, after the heat preservation and the curing are finished, peeling off the first carrier film on the second composite fabric to obtain the reflective cloth.
Preferably, the first carrier film in step S1 is subjected to corona treatment before the adhesive layer is applied; thereby enhancing the adhesion of the first carrier surface.
Preferably, the drying temperatures of the eight stages in the step S1 are 50 ℃ in the first stage, 60 ℃ in the second stage, 70 ℃ in the third stage, 80 ℃ in the fourth stage, 90 ℃ in the fifth stage, 100 ℃ in the sixth stage, 105 ℃ in the seventh stage and 110 ℃ in the eighth stage, respectively.
Preferably, when the bead-planted base film coiled material is subjected to evaporation in the step S2, the heating temperature of the target material is controlled to be 950-980 ℃, and the linear speed of the bead-planted base film coiled material on the winding and unwinding drum is controlled to be 45-85 m/min.
Preferably, the drying temperatures of the eight stages in the step S3 are 65 ℃ in the first stage, 70 ℃ in the second stage, 70 ℃ in the third stage, 85 ℃ in the fourth stage, 85 ℃ in the fifth stage, 105 ℃ in the sixth stage, 120 ℃ in the seventh stage and 125 ℃ in the eighth stage, respectively.
Preferably, the first carrier film in step S1 and the second carrier film in step S3 are both PET films.
Preferably, in the step S4, the compounding pressure when the glue layer base film and the fabric base material layer are compounded is 50N, and the compounding speed is 6m/min.
Preferably, the compounding pressure of the evaporation bead-planted base film and the glue layer in the step S6 is 30N, and the compounding speed is 8m/min.
Preferably, the colorant in the glue formula in the step S3 is a nanoscale organic pigment.
Preferably, the solvent in the glue formula in the step S3 is ethyl acetate.
Compared with the prior art, the invention has the beneficial effects that:
1. the reflective cloth provided by the invention can reflect multicolor dazzling light in the daytime and at night, so that the recognition degree is enhanced.
2. The reflective fabric provided by the invention has high softness, is convenient to store after being kneaded and contracted, and has good crease resistance.
3. The reflective cloth provided by the invention has strong water washing resistance, can be washed for more than 30 times in hot water at 48 ℃ within 45min, and greatly improves the applicability of the reflective cloth.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
a processing technology of flexible washable reflective fabric comprises the following steps:
s1, manufacturing a bead-planted base film coiled material;
firstly, carrying out corona treatment on a PET film;
secondly, coating acrylic glue with the thickness of 7 microns on the PET film after corona treatment, and densely distributing glass beads with the diameter of 50 microns and the refractive index of 1.94 on the acrylic glue;
thirdly, placing the bead-planted base film obtained in the previous step into a drying tunnel for drying, wherein the drying process is divided into eight stages, the duration time of each stage is 15min, the drying temperature is respectively 50 ℃ in the first stage, 60 ℃ in the second stage, 70 ℃ in the third stage, 80 ℃ in the fourth stage, 90 ℃ in the fifth stage, 100 ℃ in the sixth stage, 105 ℃ in the seventh stage and 110 ℃ in the eighth stage, and winding the dried bead-planted base film;
finally, putting the coiled bead-planted base film into an insulation box, and carrying out insulation and curing at the temperature of 50 ℃ for 72 hours to obtain a bead-planted base film coiled material;
s2, carrying out vacuum evaporation on the plant bead base film coiled material;
firstly, mounting a bead-planted base film coiled material at a winding and unwinding reel in a vapor plating chamber of high vacuum coating equipment, and fixedly mounting the free end of the bead-planted base film coiled material at the other winding and unwinding reel after the free end of the bead-planted base film coiled material bypasses from the lower part of a central main drum;
secondly, placing the zinc sulfide target material in a steaming tank of a vacuum plating machine;
thirdly, moving the evaporation tank assembly into an evaporation chamber of the high-vacuum coating equipment, placing the evaporation tank containing the target material under the central main drum, and controlling the distance between the top surface of the target material and the bottom end of the central main drum to be 13cm;
thirdly, the vacuum pumping set is used for vacuumizing the evaporation chamber to 1.5 multiplied by 10 -1 Pa；
Finally, a power supply of a vacuum plating machine is switched on, the bead-planted base film coiled material is subjected to evaporation plating, the heating temperature of the target material is controlled to be 980 ℃ during evaporation plating, the linear speed of the bead-planted base film coiled material on a winding and unwinding drum is controlled to be 85m/min, after evaporation plating is finished, the power supply of the vacuum plating machine is turned off, the evaporation plating chamber is opened after the air pressure in the evaporation plating chamber is adjusted to an air pressure value balanced with the external atmospheric pressure, and after natural cooling, the evaporation-plated bead-planted base film is taken out;
s3, manufacturing a glue layer base film;
firstly, preparing glue according to the mixture ratio of 110 parts of polyurethane glue, 8 parts of nano organic pigment, 60 parts of ethyl acetate and 10 parts of curing agent;
secondly, coating glue with the thickness of 25 micrometers on the surface of the PET film, drying, wherein the drying process is divided into eight stages, the duration time of each stage is 25min, and the drying temperatures of the eight stages are 65 ℃ in the first stage, 70 ℃ in the second stage, 70 ℃ in the third stage, 85 ℃ in the fourth stage, 85 ℃ in the fifth stage, 105 ℃ in the sixth stage, 120 ℃ in the seventh stage and 125 ℃ in the eighth stage respectively, so as to obtain a glue layer base film;
s4, compounding the glue layer base film on the surface of the fabric base material layer according to the parameters of the compounding pressure of 50N and the compounding speed of 6m/min, and enabling the glue layer to be attached to the surface of the nylon cloth base material layer to obtain a first compound fabric;
s5, stripping the PET film on the first composite fabric to expose the glue layer;
s6, compounding the bead-planting surface of the evaporation bead-planting base film on a glue layer according to the parameters of the compounding pressure of 30N and the compounding speed of 8m/min to obtain a second composite fabric, rolling the second composite fabric, and then putting the second composite fabric into an insulation box for curing, wherein the curing temperature is set to be 60 ℃, and the curing duration is 72 hours;
and S7, after the heat preservation and the health preservation are finished, peeling off the first carrier film on the second composite fabric to obtain the reflective cloth.
Example two:
a processing technology of flexible washable reflective fabric comprises the following steps:
s1, manufacturing a bead-planted base film coiled material;
firstly, carrying out corona treatment on a PET film;
secondly, coating acrylic glue with the thickness of 3 microns on the PET film after corona treatment, and densely distributing glass beads with the diameter of 30 microns and the refractive index of 1.93 on the acrylic glue;
thirdly, placing the bead-planted base film obtained in the previous step into a drying tunnel for drying, wherein the drying process is divided into eight stages, the duration time of each stage is 10min, the drying temperature is respectively 50 ℃ in the first stage, 60 ℃ in the second stage, 70 ℃ in the third stage, 80 ℃ in the fourth stage, 90 ℃ in the fifth stage, 100 ℃ in the sixth stage, 105 ℃ in the seventh stage and 110 ℃ in the eighth stage, and winding the dried bead-planted base film;
finally, putting the rolled bead-planted base film into an insulation box, and carrying out insulation and health preservation for 70 hours at the temperature of 48 ℃ to obtain a bead-planted base film coiled material;
s2, carrying out vacuum evaporation on the bead-based film coiled material;
firstly, mounting a bead-planted base film coiled material at a winding and unwinding reel in a vapor plating chamber of high vacuum coating equipment, and fixedly mounting the free end of the bead-planted base film coiled material at the other winding and unwinding reel after the free end of the bead-planted base film coiled material bypasses from the lower part of a central main drum;
secondly, placing the zinc sulfide target material in a steam bath of a vacuum plating machine;
thirdly, moving the steam tank assembly into a steam plating chamber of the high-vacuum coating equipment, placing the steam tank containing the target under the central main drum, and controlling the distance between the top surface of the target and the bottom end of the central main drum to be 13cm;
thirdly, the vacuum pumping set is used for vacuumizing the evaporation chamber to 1.5 multiplied by 10 -1 Pa；
Finally, a power supply of a vacuum plating machine is switched on, the bead-planted base film coiled material is subjected to evaporation plating, the heating temperature of the target material is controlled to be 950 ℃ during evaporation plating, the linear velocity of the bead-planted base film coiled material on a winding and unwinding reel is controlled to be 45m/min, after the evaporation plating is finished, the power supply of the vacuum plating machine is turned off, the evaporation plating chamber is opened after the air pressure in the evaporation chamber is adjusted to an air pressure value balanced with the external atmospheric pressure, and after natural cooling, the evaporation-plated bead-planted base film is taken out;
s3, manufacturing a glue layer base film;
firstly, preparing glue according to the mixture ratio of 110 parts of polyurethane glue, 8 parts of nano organic pigment, 60 parts of ethyl acetate and 10 parts of curing agent;
secondly, coating glue with the thickness of 20 micrometers on the surface of the PET film, drying, wherein the drying process is divided into eight stages, the duration time of each stage is 20min, and the drying temperatures of the eight stages are 65 ℃ in the first stage, 70 ℃ in the second stage, 70 ℃ in the third stage, 85 ℃ in the fourth stage, 85 ℃ in the fifth stage, 105 ℃ in the sixth stage, 120 ℃ in the seventh stage and 125 ℃ in the eighth stage respectively, so as to obtain a glue layer base film;
s4, compounding the glue layer base film on the surface of the fabric base material layer according to the parameters of the compounding pressure of 50N and the compounding speed of 6m/min, and enabling the glue layer to be attached to the surface of the nylon cloth base material layer to obtain a first compound fabric;
s5, stripping the PET film on the first composite fabric to expose the glue layer;
s6, compounding the bead-planting surface of the evaporated bead-planting base film on a glue layer according to the parameters of the compounding pressure of 30N and the compounding speed of 8m/min to obtain a second composite fabric, rolling the second composite fabric, and then placing the second composite fabric into an incubator for curing, wherein the curing temperature is set to be 58 ℃, and the curing duration is 70 hours;
and S7, after the heat preservation and the curing are finished, peeling off the first carrier film on the second composite fabric to obtain the reflective cloth.
Example three:
a processing technology of flexible washable reflective fabric comprises the following steps:
s1, manufacturing a bead-planted base film coiled material;
firstly, carrying out corona treatment on a PET film;
secondly, coating acrylic glue with the thickness of 5 microns on the PET film after corona treatment, and densely distributing glass beads with the diameter of 46 microns and the refractive index of 1.93 on the acrylic glue;
thirdly, placing the bead-planted base film obtained in the previous step into a drying tunnel for drying, wherein the drying process is divided into eight stages, the duration time of each stage is 13min, the drying temperature is respectively 50 ℃ in the first stage, 60 ℃ in the second stage, 70 ℃ in the third stage, 80 ℃ in the fourth stage, 90 ℃ in the fifth stage, 100 ℃ in the sixth stage, 105 ℃ in the seventh stage and 110 ℃ in the eighth stage, and winding the dried bead-planted base film;
finally, putting the coiled bead-planted base film into an incubator, and carrying out heat preservation and health preservation for 71h at the temperature of 49 ℃ to obtain a bead-planted base film coiled material;
s2, carrying out vacuum evaporation on the plant bead base film coiled material;
firstly, mounting a bead-planted base film coiled material at a winding and unwinding reel in a vapor plating chamber of high vacuum coating equipment, and fixedly mounting the free end of the bead-planted base film coiled material at the other winding and unwinding reel after the free end of the bead-planted base film coiled material bypasses from the lower part of a central main drum;
secondly, placing the zinc sulfide target material in a steaming tank of a vacuum plating machine;
thirdly, moving the evaporation tank assembly into an evaporation chamber of the high-vacuum coating equipment, placing the evaporation tank containing the target material under the central main drum, and controlling the distance between the top surface of the target material and the bottom end of the central main drum to be 13cm;
thirdly, using a vacuum pump group to vacuumize the inside of the evaporation chamber to 1.5 multiplied by 10 -1 Pa；
Finally, a power supply of a vacuum plating machine is switched on, the bead-planted base film coiled material is subjected to evaporation plating, the heating temperature of the target material is controlled to be 965 ℃ during evaporation plating, the linear velocity of the bead-planted base film coiled material on a winding and unwinding drum is controlled to be 65m/min, after the evaporation plating is finished, the power supply of the vacuum plating machine is turned off, the evaporation plating chamber is opened after the air pressure in the evaporation chamber is adjusted to an air pressure value balanced with the external atmospheric pressure, and after natural cooling, the evaporation-plated bead-planted base film is taken out;
s3, manufacturing a glue layer base film;
firstly, preparing glue according to the mixture ratio of 110 parts of polyurethane glue, 8 parts of nano organic pigment, 60 parts of ethyl acetate and 10 parts of curing agent;
secondly, coating glue with the thickness of 23 mu m on the surface of the PET film, and drying, wherein the drying process is divided into eight stages, the duration time of each stage is 22min, and the drying temperatures of the eight stages are 65 ℃ in the first stage, 70 ℃ in the second stage, 70 ℃ in the third stage, 85 ℃ in the fourth stage, 85 ℃ in the fifth stage, 105 ℃ in the sixth stage, 120 ℃ in the seventh stage and 125 ℃ in the eighth stage respectively, so as to obtain a glue layer base film;
s4, compounding the glue layer base film on the surface of the fabric base material layer according to the parameters of the compounding pressure of 50N and the compounding speed of 6m/min, and enabling the glue layer to be attached to the surface of the nylon fabric base material layer to obtain a first composite fabric;
s5, stripping the PET film on the first composite fabric to expose the glue layer;
s6, compounding the bead-planting surface of the evaporation bead-planting base film on a glue layer according to the parameters of the compounding pressure of 30N and the compounding speed of 8m/min to obtain a second composite fabric, rolling the second composite fabric, and then putting the second composite fabric into an insulation box for curing, wherein the curing temperature is set to be 59 ℃, and the curing duration is 71 hours;
and S7, after the heat preservation and the curing are finished, peeling off the first carrier film on the second composite fabric to obtain the reflective cloth.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (5)
1. A processing technology of flexible washable reflective fabric is characterized by comprising the following steps:
s1, manufacturing a bead-planted base film coiled material;
firstly, adhering glass particles on a first carrier film through an adhesive layer to prepare a bead-planted base film;
wherein, the first carrier film is a release film, the glass beads are glass beads with the diameter of 30-50 μm and the refractive index of 1.9-1.94, the bonding layer is acrylic glue, and the thickness of the bonding layer is 3-7 μm;
secondly, placing the bead-planted base film into a drying tunnel for drying, wherein the drying process is divided into eight stages, the drying temperature is 50-110 ℃, and the duration of each stage is 10-15 min;
wherein the drying temperatures of the eight stages are respectively 50 ℃ in the first stage, 60 ℃ in the second stage, 70 ℃ in the third stage, 80 ℃ in the fourth stage, 90 ℃ in the fifth stage, 100 ℃ in the sixth stage, 105 ℃ in the seventh stage and 110 ℃ in the eighth stage;
thirdly, winding the dried bead-planted base film;
finally, placing the coiled bead-planted base film into a heat preservation box for curing to obtain a bead-planted base film coiled material;
wherein the temperature for heat preservation and health preservation is 48-50 ℃, and the duration is 70-72 h;
s2, carrying out vacuum evaporation on the bead-based film coiled material;
firstly, mounting a bead-planted base film coiled material at a winding and unwinding reel in a vapor plating chamber of high vacuum coating equipment, and fixedly mounting the free end of the bead-planted base film coiled material at the other winding and unwinding reel after the free end of the bead-planted base film coiled material bypasses from the lower part of a central main drum;
secondly, placing the target material in a steaming tank of a vacuum electroplating machine;
the target material comprises zinc sulfide;
thirdly, moving the evaporation tank assembly into an evaporation chamber of the high-vacuum coating equipment, placing the evaporation tank containing the target under the central main drum, and controlling the distance between the top surface of the target and the bottom end of the central main drum to be 12-13 cm;
thirdly, the vacuum pumping set is used for vacuumizing the evaporation chamber to 1.5 multiplied by 10 -1 Pa～2.0×10 0 Pa；
Finally, switching on a power supply of a vacuum electroplating machine, performing evaporation on the bead-based membrane coiled material, after the evaporation is finished, closing the power supply of the vacuum electroplating machine, adjusting the air pressure in the evaporation chamber to an air pressure value balanced with the external atmospheric pressure, opening the evaporation chamber, and after natural cooling, taking out the evaporated bead-based membrane;
wherein, when the bead-planted base film coiled material is subjected to evaporation, the heating temperature of the target material is controlled to be 950-980 ℃, and the linear speed of the bead-planted base film coiled material on a winding and unwinding drum is controlled to be 45-85 m/min;
s3, manufacturing a glue layer base film;
firstly, preparing glue according to the mixture ratio of 110 parts of polyurethane glue, 8 parts of pigment, 60 parts of solvent and 10 parts of curing agent;
secondly, coating glue on the surface of the second carrier film, and drying to obtain a glue layer base film;
wherein the second carrier film is a release film;
wherein the coating thickness of the glue is 20-25 μm;
wherein the drying process is divided into eight stages, the drying temperature is 65-125 ℃, and the duration time of each stage is 20-25 min;
wherein the drying temperatures of the eight stages are 65 ℃ at the first stage, 70 ℃ at the second stage, 70 ℃ at the third stage, 85 ℃ at the fourth stage, 85 ℃ at the fifth stage, 105 ℃ at the sixth stage, 120 ℃ at the seventh stage and 125 ℃ at the eighth stage respectively;
s4, compounding a glue layer base film on the surface of the fabric base material layer, and enabling a glue surface to be attached to the surface of the base material layer to obtain a first composite fabric;
wherein the fabric substrate layer is made of nylon cloth; the compounding pressure when the glue layer base film and the fabric base material layer are compounded is 50N, and the compounding speed is 6m/min;
s5, stripping the second carrier film on the first composite fabric to expose the glue layer;
s6, compounding the bead-planting surface of the evaporated bead-planting base film on a glue layer to obtain a second composite fabric, rolling the second composite fabric, and then placing the second composite fabric into an insulation box for curing;
wherein the compounding pressure of the evaporation bead-planted base film and the glue layer is 30N, the compounding speed is 8m/min, the curing temperature is 58-60 ℃, and the curing duration is 70-72 h;
and S7, after the heat preservation and the curing are finished, peeling off the first carrier film on the second composite fabric to obtain the reflective cloth.
2. The processing technology of the flexible washable reflective fabric according to claim 1, wherein the processing technology comprises the following steps: the first carrier film in step S1 is subjected to corona treatment before the adhesive layer is applied.
3. The processing technology of the flexible washable reflective fabric according to claim 1, wherein the processing technology comprises the following steps: the first carrier film in step S1 and the second carrier film in step S3 are both PET films.
4. The processing technology of the flexible washable reflective fabric according to claim 1, wherein: the colorant in the glue formula in the step S3 is a nano organic pigment.
5. The processing technology of the flexible washable reflective fabric according to claim 4, wherein the processing technology comprises the following steps: and the solvent in the glue formula in the step S3 is ethyl acetate.
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| CN114905755B (en) * | 2021-07-23 | 2024-03-26 | 杭州星华反光材料股份有限公司 | Preparation process and application of bead-implanted film for retroreflective material |
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